Finding the Fourth Proportional to 843,029,754.88, 1,163,394,836.96 and 461,545,426.08
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Solution
The fourth proportional to 843,029,754.88, 1,163,394,836.96 and 461,545,426.08 is: 636,940,229.71
Step by Step Solution
- Step 1: Write the proportion equation
843,029,754.88 : 1,163,394,836.96 = 461,545,426.08 : x - Step 2: Convert to fraction form
843,029,754.88/1,163,394,836.96 = 461,545,426.08/x - Step 3: Cross multiply
843,029,754.88x = 1,163,394,836.96 × 461,545,426.08 - Step 4: Simplify right side
843,029,754.88x = 536,959,565,723,975,360 - Step 5: Solve for x
x = 536,959,565,723,975,360/843,029,754.88 - Step 6: Final answer
x = 636,940,229.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.